#1
Which of the following is NOT a recommended practice for laboratory safety?
Eating and drinking in the laboratory
ExplanationAvoiding eating and drinking in the laboratory helps prevent accidental ingestion of chemicals.
#2
Which piece of laboratory equipment is used for measuring the volume of a liquid?
Graduated cylinder
ExplanationGraduated cylinders are specifically designed for accurate measurement of liquid volume.
#3
What does the acronym PPE stand for in laboratory safety?
Personal Protective Equipment
ExplanationPPE includes items such as gloves, goggles, and lab coats to protect against hazards.
#4
What should you do if a chemical spill occurs on your skin?
Wash the affected area with plenty of water
ExplanationPromptly washing the skin helps remove the chemical and minimize potential harm.
#5
What is the purpose of an eyewash station in the laboratory?
To rinse eyes if exposed to chemicals
ExplanationEyewash stations provide a quick way to rinse eyes exposed to chemicals, helping to minimize damage.
#6
What should you do if a fire alarm sounds while you are in the laboratory?
Quickly evacuate the laboratory following established procedures
ExplanationFollowing evacuation procedures helps ensure everyone safely exits the laboratory in case of a fire.
#7
What type of fire extinguisher is suitable for extinguishing electrical fires?
Class C
ExplanationClass C fire extinguishers are designed to safely extinguish fires involving electrical equipment.
#8
What should you do if a chemical splashes in your eye while working in the laboratory?
Immediately flush your eye with water for at least 15 minutes
ExplanationFlushing the eye with water helps remove the chemical and minimize potential damage.
#9
Which of the following is an example of a Class C fire?
Electrical equipment
ExplanationFires involving electrical equipment are classified as Class C fires.
#10
Which of the following is NOT a common laboratory hazard?
Laughter
ExplanationWhile laughter is not a hazard, it's important to take other safety concerns seriously.
#11
What type of laboratory hood is designed to protect the user from inhaling hazardous substances?
Fume hood
ExplanationFume hoods help contain and remove hazardous fumes, protecting the user.
#12
Which of the following is a safety feature of a chemical fume hood?
Removes harmful fumes and gases
ExplanationChemical fume hoods are designed to remove harmful fumes and gases from the laboratory environment.
#13
What does MSDS stand for in laboratory safety?
Material Safety and Data Sheet
ExplanationMSDS provides crucial information about the hazards and safe handling procedures for chemicals.
#14
Which type of fire extinguisher is suitable for combustible metal fires?
Class D
ExplanationClass D fire extinguishers are specifically designed for extinguishing fires involving combustible metals.